Dynascan B&K 667 Manual de instrucciones - Página 7
Navegue en línea o descargue pdf Manual de instrucciones para Equipos de prueba Dynascan B&K 667. Dynascan B&K 667 12 páginas. Solid state tube tester
Imprimir páginaDESCRIPTION
OF
667
TESTER
Basic Test Connections Used in Detecting Shorts
Shorts and leakages to one megohm are indicated by a neon SHORTS
light.
The
SELECTOR
switch
is rotated
through
all twelve
positions,
selecting one element and shorting all others together
(See Fig. 1).
1A.
Plate Selected
1B.
Cathode Selected
1C.
Control Grid Selected
1D.
Screen Grid Selected
1E.
Suppressor Grid Selected
IF.
Heater Selected
FIGURE
1.
Tube
Element Connections
Made
in Shorts/Leakage
Test
Preventing Misleading Shorts Indications by Lockout Switching
In figure 2, the schematic for a 6KG6
or 21KQ6
tube is shown
(both
popular horizontal deflection amplifier types).
The control grid has two
connections
(1, 8), the screen grid has two connections
(3, 6) and
the
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